Shandong Shengtang Intelligent Technology Co., Ltd. is one of the largest manufacturers specializing in all kinds of disposable security seals in China. Shengtang was officially established in 2012, so far has more than 11 years of production and sales experience and more than 15,000 square meters of factory, more than 200 employees, 450 advanced production machines. Our main products are Plastic Seals,Bolt seals, Cable seals, Meter Seals, Pad Lock Seals, Metal Seals and so on.Our products have passed ISO17712 certification, ISO9001 quality management system, ISO14001 environmental management system, ISO18001 occupational health and safety management system, Switzerland SGS, C-TPAT alliance safety system certification and many other international certifications and tests.Shengtang has always adhered to the principle of quality first and intimate service, really starting from the needs of customers, in order to achieve win-win situation. With our unremitting efforts, our products have been sold to more than 300 countries around the world, customers and friends all over the world. And the products and services received a lot of praise from our customers.